Home / 67,015.96-92,484.18-38,721.64

Finding the Fourth Proportional to 67,015.96, 92,484.18 and 38,721.64

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Solution

The fourth proportional to 67,015.96, 92,484.18 and 38,721.64 is: 53,437.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,015.96 : 92,484.18 = 38,721.64 : x
  2. Step 2: Convert to fraction form
    67,015.96/92,484.18 = 38,721.64/x
  3. Step 3: Cross multiply
    67,015.96x = 92,484.18 × 38,721.64
  4. Step 4: Simplify right side
    67,015.96x = 3,581,139,123.66
  5. Step 5: Solve for x
    x = 3,581,139,123.66/67,015.96
  6. Step 6: Final answer
    x = 53,437.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.